The book The Optics of Photography And Photographic Lenses was written by author J Traill John Traill Taylor Here you can read free online of The Optics of Photography And Photographic Lenses book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is The Optics of Photography And Photographic Lenses a good or bad book?
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A combination lens of the ' rapid ' doublet type will be found excellent in the case of a landscape, in which, unlike a portrait, the marginal definition must equal that of the centre. If time of exposure be of no consequence, then will an achromatic of plano-convex or slight meniscus form answer well the purpose of an enlarging lens. But it is necessary that a rather small top be employed, that it be situated at not less, but preferably more, than the diameter of the lens from its flat surface..., and that the convex surface of the lens be placed next to the nega- tive. There will be a residuum of distortion when employing such a lens, but in the case of a landscape or group it will not be discoverable in the large picture which results from the operation, and this being so, nice theoretical considerations concerning rectilinearity may be placed to one side. But if any curvature of a marginal vertical straight line as in the case of a building be discoverable, this may be reduced by removing the diaphragm and placing it closer to the lens.
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